弧焊机 弧焊机的英文 英语翻译 arc weider; arc welding machine 拓展翻译 弧焊机器入are welding robot弧焊接arc welding红弧菌属Rhodovibrio红色甲弧形red half-moon弧arcarcarc弧、圈、涡A.L.W.弧鞍填料Berl saddle弧鞍形填料Berl saddle (packing)弧标准arc statndard弧槽arc chute弧臭hircismus; hircus弧穿arc-through弧的触发striking an arc弧电流arc current弧电位arc potential弧电压arc voltage弧度radianradianradianradian弧端arc tip弧放电arc discharge弧贯are-through